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Individual Calculations January 2010 |
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| Mariotti, Sergio Total change: -1.20 | |   |
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| OP DLF Steinitz | Roma | ITA | 2009-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2219 | 2338 | 3.00 | 5 | -0.12 | 10 | -1.20 | |
|  Rocchetti, Marco | | | 1938 * | ITA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Vignato, Giovanni | | | 2028 | ITA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Vuelban, Virgilio | m | | 2356 | PHI | 0.50 | 1 | 0.03 | 10 | 0.30 | | | Ferretti, Folco | f | | 2311 | ITA | 0.50 | 1 | -0.04 | 10 | -0.40 | | | Naumkin, Igor | g | | 2463 | RUS | 0.00 | 1 | -0.33 | 10 | -3.30 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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